Where does “porcelain throne” come from?

porcelain throne (English) comes from English porcelain, from Middle French porcelaine, from Old French pourcelaine, from Italian porcellana, from Italian porcella, from Italian porca, from Latin porca, from Esperanto porka — passed , crossed.

Ancestry of “porcelain throne”, step by step

porcelain throne traces back through two separate lines of ancestry.

via English porcelain

StepLanguageWordMeaning
1EnglishporcelainA hard white translucent ceramic, originally made...
2Middle Frenchporcelainecowrie, wampum; china, chinaware
3Old FrenchpourcelaineCowrie, cockle, or similar univalve shell; The...
4Italianporcellanaporcelain, china; third-person singular present...
5Italianporcellafemale equivalent of porcello; slut, bitch, goer
6Italianporcathe ridge between two furrows; balk; sow; A...
7Latinporcasow; the ridge between two furrows; a balk
8Esperantoporkaporcine
9Esperantoporkopig
10Latinporcusa piglet, a young pig; a pig, hog; Short for...
11Proto-Italicporkospig
12Proto-Indo-Europeanpórḱospiglet
13Proto-Indo-Europeanperḱ-colored; motley; to open, rip up
14Proto-Indo-Europeanper-before, in front; first; to go through
15Proto-Indo-Europeanpr̥tóspassed , crossed

via English throne

StepLanguageWordMeaning
1EnglishthroneAn impressive seat used by a monarch, often on a...
2Middle EnglishtroneA throne; a royal or regal seat or chair; One's...
3Anglo-Normantronethrone
4Old Frenchtron
5Latinthronusa throne; an angelic order
6Greekθρόνοςthrone; monarchy, the royal office
7Ancient Greekθρόνοςseat; throne
8Proto-Indo-Europeandʰer-to support; to hold
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European perḱ-